Sunday, August 21, 2005

A probability issue

If a country implements a family planning policy as below:

If the first child is a boy, no second child is allowed.
If the first child is a girl, a second child can be allowed and no third child is allowed.

Will the sex ratio (male/famale) still be 1?

2 comments:

Anonymous said...

Still 1 to me

Unknown said...

2:1 BOYS TO GIRLS